Schwalbe Albert Tire - 27.5 x 2.50, Tubeless, Folding, Black, Evolution Line, Gravity Pro, Addix Soft, Radial, E-50The Albert tire provides excellent grip and control in all situations. A new Radial carcass allows for a larger contact patch and conforms to terrain yielding more grip, more comfort, and more control to keep you on the trail. Radial carcass tires offer approximately 30% more contact area than conventional tires at the same air pressure. Even if the air pressure is increased by 50%, the contact area is still 15% larger The carcass material overlaps